123214199951 has 2 divisors, whose sum is σ = 123214199952. Its totient is φ = 123214199950.

The previous prime is 123214199861. The next prime is 123214199959. The reversal of 123214199951 is 159991412321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 123214199951 - 2²⁶ = 123147091087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 123214199896 and 123214199905.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (123214199959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61607099975 + 61607099976.

It is an arithmetic number, because the mean of its divisors is an integer number (61607099976).

Almost surely, 2^123214199951 is an apocalyptic number.

123214199951 is a deficient number, since it is larger than the sum of its proper divisors (1).

123214199951 is an equidigital number, since it uses as much as digits as its factorization.

123214199951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 174960, while the sum is 47.

The spelling of 123214199951 in words is "one hundred twenty-three billion, two hundred fourteen million, one hundred ninety-nine thousand, nine hundred fifty-one".